97580-75-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97580-75-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,5,8 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 97580-75:
(7*9)+(6*7)+(5*5)+(4*8)+(3*0)+(2*7)+(1*5)=181
181 % 10 = 1
So 97580-75-1 is a valid CAS Registry Number.